Battery Power to Module Disconnect

SYMPTOM LIST
BATTERY POWER TO MODULE DISCONNECT

TEST NOTE All symptoms listed above are diagnosed using the same tests. The title for the tests will be BATTERY POWER TO MODULE DISCONNECT.

WHEN MONITORED
Constantly monitored.

SET CONDITION
The input voltage to the body control module drops below 5 Volts.

POSSIBLE CAUSES
- BCM defect - fused IGN SW out
- Fused IGN SW out CKT SHRT to GND - BCM
- CCD BCM ground circuit open
- BCM defect
- Fuse # 11 defective
- No response IGN SW output voltage
- No response fused B+ volt low
- No response fused IGN output voltage